Fossil

#define ATTR_COLSPAN            10
#define ATTR_COMPACT            11
#define ATTR_FACE               12
#define ATTR_HEIGHT             13
#define ATTR_HREF               14
#define ATTR_HSPACE             15
#define ATTR_ID                 16
#define ATTR_LINKS              17
#define ATTR_NAME               18
#define ATTR_ROWSPAN            19
#define ATTR_SIZE               20
#define ATTR_SRC                21
#define ATTR_START              22
#define ATTR_STYLE              23
#define ATTR_TARGET             24
#define ATTR_TYPE               25
#define ATTR_VALIGN             26
#define ATTR_VALUE              27
#define ATTR_VSPACE             28
#define ATTR_WIDTH              29
#define AMSK_ALIGN              0x00000001
#define AMSK_ALT                0x00000002
#define AMSK_BGCOLOR            0x00000004
#define AMSK_BORDER             0x00000008
#define AMSK_CELLPADDING        0x00000010
#define AMSK_CELLSPACING        0x00000020
#define AMSK_CLASS              0x00000040
#define AMSK_CLEAR              0x00000080
#define AMSK_COLOR              0x00000100
#define AMSK_COLSPAN            0x00000200
#define AMSK_COMPACT            0x00000400
#define AMSK_FACE               0x00000800
#define AMSK_HEIGHT             0x00001000
#define AMSK_HREF               0x00002000
#define AMSK_HSPACE             0x00004000
#define AMSK_ID                 0x00008000
#define AMSK_LINKS              0x00010000
#define AMSK_NAME               0x00020000
#define AMSK_ROWSPAN            0x00040000
#define AMSK_SIZE               0x00080000
#define AMSK_SRC                0x00100000
#define AMSK_START              0x00200000
#define AMSK_STYLE              0x00400000
#define AMSK_TARGET             0x00800000
#define AMSK_TYPE               0x01000000
#define AMSK_VALIGN             0x02000000
#define AMSK_VALUE              0x04000000
#define AMSK_VSPACE             0x08000000
#define AMSK_WIDTH              0x10000000

static const struct AllowedAttribute {
  const char *zName;
  unsigned int iMask;
} aAttribute[] = {
  { 0, 0 },
  { "align",         AMSK_ALIGN,          },

  { "colspan",       AMSK_COLSPAN,        },
  { "compact",       AMSK_COMPACT,        },
  { "face",          AMSK_FACE,           },
  { "height",        AMSK_HEIGHT,         },
  { "href",          AMSK_HREF,           },
  { "hspace",        AMSK_HSPACE,         },
  { "id",            AMSK_ID,             },
  { "links",         AMSK_LINKS,          },
  { "name",          AMSK_NAME,           },
  { "rowspan",       AMSK_ROWSPAN,        },
  { "size",          AMSK_SIZE,           },
  { "src",           AMSK_SRC,            },
  { "start",         AMSK_START,          },
  { "style",         AMSK_STYLE,          },
  { "target",        AMSK_TARGET,         },

*/
static int markupLength(const char *z){
  int n = 1;
  int inparen = 0;
  int c;
  if( z[n]=='/' ){ n++; }
  if( !fossil_isalpha(z[n]) ) return 0;
  while( fossil_isalnum(z[n]) || z[n]=='-' ){ n++; }
  c = z[n];
  if( c=='/' && z[n+1]=='>' ){ return n+2; }
  if( c!='>' && !fossil_isspace(c) ) return 0;
  while( (c = z[n])!=0 && (c!='>' || inparen) ){
    if( c==inparen ){
      inparen = 0;
    }else if( inparen==0 && (c=='"' || c=='\'') ){

    if( j<sizeof(zTag)-1 ) zTag[j++] = fossil_tolower(z[i]);
    i++;
  }
  zTag[j] = 0;
  p->iCode = findTag(zTag);
  p->iType = aMarkup[p->iCode].iType;
  p->nAttr = 0;
  c = 0;
  if( z[i]=='-' ){
    p->aAttr[0].iACode = iACode = ATTR_ID;
    i++;
    p->aAttr[0].zValue = &z[i];
    while( fossil_isalnum(z[i]) ){ i++; }
    p->aAttr[0].cTerm = c = z[i];
    z[i++] = 0;
    p->nAttr = 1;
    if( c=='>' ) return;
  }
  while( fossil_isspace(z[i]) ){ i++; }
  while( c!='>' && p->nAttr<8 && fossil_isalpha(z[i]) ){
    int attrOk;    /* True to preserver attribute.  False to ignore it */
    j = 0;
    while( fossil_isalnum(z[i]) ){
      if( j<sizeof(zTag)-1 ) zTag[j++] = fossil_tolower(z[i]);
      i++;
    }
    zTag[j] = 0;

   || strncmp(zTarget, "https:", 6)==0
   || strncmp(zTarget, "ftp:", 4)==0
   || strncmp(zTarget, "mailto:", 7)==0
  ){
    blob_appendf(p->pOut, "<a href=\"%s\">", zTarget);
  }else if( zTarget[0]=='/' ){
    blob_appendf(p->pOut, "<a href=\"%s%h\">", g.zTop, zTarget);
  }else if( zTarget[0]=='.'
         && (zTarget[1]=='/' || (zTarget[1]=='.' && zTarget[2]=='/'))
         && (p->state & WIKI_LINKSONLY)==0 ){
    blob_appendf(p->pOut, "<a href=\"%h\">", zTarget);
  }else if( zTarget[0]=='#' ){
    blob_appendf(p->pOut, "<a href=\"%h\">", zTarget);
  }else if( is_valid_uuid(zTarget) ){
    int isClosed = 0;
    if( is_ticket(zTarget, &isClosed) ){
      /* Special display processing for tickets.  Display the hyperlink
      ** as crossed out if the ticket is closed.
      */

      }
      case TOKEN_MARKUP: {
        const char *zId;
        int iDiv;
        parseMarkup(&markup, z);

        /* Markup of the form </div id=ID> where there is a matching
        ** ID somewhere on the stack.  Exit any contained verbatim.
        ** Pop the stack up to the matching <div>.  Discard the </div>

        */
        if( markup.iCode==MARKUP_DIV && markup.endTag &&
             (zId = markupId(&markup))!=0 &&
             (iDiv = findTagWithId(p, MARKUP_DIV, zId))>=0
        ){
          if( p->inVerbatim ){
            p->inVerbatim = 0;

          p->zVerbatimId = 0;
          p->inVerbatim = 1;
          p->preVerbState = p->state;
          p->state &= ~ALLOW_WIKI;
          for(ii=0; ii<markup.nAttr; ii++){
            if( markup.aAttr[ii].iACode == ATTR_ID ){
              p->zVerbatimId = markup.aAttr[ii].zValue;
            }else if( markup.aAttr[ii].iACode==ATTR_TYPE ){



              blob_appendf(p->pOut, "<pre name='code' class='%s'>",
                markup.aAttr[ii].zValue);
              vAttrDidAppend=1;

            }else if( markup.aAttr[ii].iACode==ATTR_LINKS
                   && !is_false(markup.aAttr[ii].zValue) ){
              p->state |= ALLOW_LINKS;
            }
          }
          if( !vAttrDidAppend ) {
            endAutoParagraph(p);
            blob_append(p->pOut, "<pre class='verbatim'>",-1);
          }
          p->wantAutoParagraph = 0;